Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:53:48 2014 Optimize a model with 12769 rows, 12657 columns and 50288 nonzeros Presolve time: 0.25s Presolved: 12769 rows, 12657 columns, 50288 nonzeros Variable types: 1 continuous, 12656 integer (12656 binary) Found heuristic solution: objective 1.0310573 Found heuristic solution: objective 1.0120135 Found heuristic solution: objective 1.0115410 Root relaxation: objective 1.150210e-01, 4170 iterations, 0.63 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.11502 0 1068 1.01154 0.11502 88.6% - 1s H 0 0 0.2666797 0.11502 56.9% - 1s 0 0 0.11797 0 1038 0.26668 0.11797 55.8% - 2s 0 0 0.11797 0 1054 0.26668 0.11797 55.8% - 2s H 0 0 0.2539607 0.11797 53.5% - 2s 0 0 0.11851 0 1050 0.25396 0.11851 53.3% - 2s 0 0 0.11922 0 1059 0.25396 0.11922 53.1% - 3s 0 0 0.11975 0 1089 0.25396 0.11975 52.8% - 3s 0 0 0.11999 0 1035 0.25396 0.11999 52.8% - 3s H 0 0 0.2521872 0.11999 52.4% - 3s H 0 0 0.2484348 0.11999 51.7% - 3s 0 0 0.11999 0 995 0.24843 0.11999 51.7% - 3s H 0 0 0.2372998 0.11999 49.4% - 3s H 0 0 0.2081513 0.11999 42.4% - 4s 0 2 0.12136 0 984 0.20815 0.12136 41.7% - 4s 15 17 0.13054 8 917 0.20815 0.12510 39.9% 524 5s H 27 27 0.2055629 0.12510 39.1% 405 5s * 53 49 32 0.2042415 0.12510 38.7% 274 5s * 54 45 31 0.2034903 0.12510 38.5% 269 5s H 56 43 0.2024640 0.12510 38.2% 259 5s H 83 69 0.1987167 0.12515 37.0% 231 5s * 88 74 23 0.1977908 0.12515 36.7% 227 6s * 99 75 29 0.1975484 0.12515 36.6% 202 6s H 110 67 0.1937038 0.12701 34.4% 201 6s * 112 69 10 0.1916552 0.12701 33.7% 199 6s * 116 67 12 0.1906191 0.12701 33.4% 195 6s * 117 66 12 0.1903826 0.12701 33.3% 194 6s * 123 61 7 0.1850108 0.12768 31.0% 205 6s * 127 55 10 0.1817509 0.12768 29.7% 201 6s Cutting planes: Gomory: 5 MIR: 76 Explored 185 nodes (54111 simplex iterations) in 7.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.817508621586e-01, best bound 1.817508621586e-01, gap 0.0%